Keira Knightley attended the Begin Again closing night premiere at the 2014 Tribeca Film Festival in New York on Saturday night in a dress that didn't do her any favours.

Appearing on the red carpet alongside co-stars Hailee Steinfeld and Adam Levine, Keira appeared to be swamped by her dress which featured a delicate shade of green pattern on top and then a slightly more muted pastel bottom.

While her hair was more rock'n'roll chic and her make-up relatively low-key it appeared as if the dress didn't quite fit the wearer and can only be deemed a fashion fail, one of Keira's few, unfortunately.

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Chanel Again? Keira was dressed by the label for the premiere but this time looked swamped by her dress

Begin Again was formerly called Can A Song Save Your Life and is a musical romantic comedy drama film written and directed by John Carney.

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It actually had its premiere at the 2013 Toronto International Film Festival.

Musician Gregg Alexander co-wrote songs for the film with the film due for a proper release worldwide in July.

A little overdressed: Keira's dress seemed to be too much of everything at once

Keira has been the face of the illustrious French fashion house Chanel since 2007. She was recently transformed into ‘Coco Mademoiselle’ for Chanel’s latest perfume advert, starring as
its iconic founder Coco Chanel.

Her role is part
of a series of mini films that see the mysterious Coco seduce and then
mysteriously vanish from devastatingly good looking men.

Set
to the song She's Not There performed by The Zombies,
and directed by Joe Wright the advert sees Keira dressed in a delicate
gown of layered tulle.

Away from the cameras however beautiful British star who comports herself with sophistication and elegance in multimillion pound movies and high-end adverts for Chanel loves a good night out.

The 29-year-old A-lister, was seen puffing away earlier this month on Sobranie Black Russian cigarettes when she supported husband James Righton at his Klaxons gig at Oslo in London's Hackney.

Looking chic in a pair of loose dungarees accessorized with a fitted leather jacket, Keira looked in her element, although worlds away from the Hollywood glamour she normally inhabits. She appeared care-free and happy and still looked flawless despite wearing only a dusting of make-up.

Not much better: Keira missed the mark again as she attended the CHANEL Dinner in honor of the 2014 Tribeca Film Festival closing night film Begin Again at Tribeca Grill in New York City on Saturday

Moderating: Michael Douglas talks about movie Supermensch: The Legend of Shep Gordon at the 2014 Tribeca Film Festival

After the Movie: Also at the 2014 Tribeca Film Festival - Michael Douglas, Mike Myers and producer Shep Gordon discuss Supermensch: The Legend of Gordon

Stylish pair: Robert De Niro, who co-founded the festival, attended the Begin Again premiere with partner Grace Hightower

Cheeky: Heather Graham wore thigh-high tights paired with a short blue frock at the festival